CN113280031B - Strong-stability special-shaped double-screw assembly for mechanical configuration - Google Patents

Strong-stability special-shaped double-screw assembly for mechanical configuration Download PDF

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Publication number
CN113280031B
CN113280031B CN202110561161.8A CN202110561161A CN113280031B CN 113280031 B CN113280031 B CN 113280031B CN 202110561161 A CN202110561161 A CN 202110561161A CN 113280031 B CN113280031 B CN 113280031B
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China
Prior art keywords
barrel
disc
ring
top surface
rotating block
Prior art date
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Active
Application number
CN202110561161.8A
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Chinese (zh)
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CN113280031A (en
Inventor
图力古日
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Jinan Shida Fasteners Co ltd
Original Assignee
Jinan Star Fastener Co ltd
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Application filed by Jinan Star Fastener Co ltd filed Critical Jinan Star Fastener Co ltd
Priority to CN202110561161.8A priority Critical patent/CN113280031B/en
Publication of CN113280031A publication Critical patent/CN113280031A/en
Application granted granted Critical
Publication of CN113280031B publication Critical patent/CN113280031B/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B43/00—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts
    • F16B43/001—Washers or equivalent devices; Other devices for supporting bolt-heads or nuts for sealing or insulation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H1/00—Toothed gearings for conveying rotary motion
    • F16H1/02—Toothed gearings for conveying rotary motion without gears having orbital motion
    • F16H1/20—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members
    • F16H1/206—Toothed gearings for conveying rotary motion without gears having orbital motion involving more than two intermeshing members characterised by the driving or driven member being composed of two or more gear wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F16H2055/176—Ring gears with inner teeth
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a special-shaped double-screw component with strong stability for mechanical configuration, which comprises a polygonal barrel, wherein the cross section of a first T-shaped rotating block is circular, the bottom surface of the first T-shaped rotating block is fixedly connected with the top surface of a disc, a dovetail groove is annularly formed on the inner top surface of the polygonal barrel, the bottom surface of a second T-shaped rotating block is attached to the top surface of a screw rod, a second sealing ring is attached to the screw rod in a rotating manner and is fixedly embedded into the top surface of the disc through glue, the bottom surface of the toothed ring is attached to the inner bottom surface of the polygonal barrel, an inner toothed ring is fixedly connected to the inner side wall of the polygonal barrel and is respectively meshed with the two toothed rings, a sleeve is fixedly sleeved on the first T-shaped rotating block, the barrel body is made of alloy steel material, the wall thickness of the disc is 3mm-5mm, the brake operation on the inner toothed rings can be realized while the two screw rods are mutually limited, and the looseness of the polygonal barrel is effectively prevented, the safety performance of the equipment is improved, the safety factor is indirectly improved, and the use requirement is met.

Description

Strong-stability special-shaped double-screw assembly for mechanical configuration
Technical Field
The invention relates to the technical field of mechanical configuration, in particular to a high-stability special-shaped double-screw assembly for mechanical configuration.
Background
Screw: the head and the screw rod form a fastener, the fastener can be divided into three types according to purposes, namely a machine screw, a set screw and a special purpose screw, and can directly fix equipment.
Disclosure of Invention
In order to solve the existing problems, the invention provides a special-shaped double-screw assembly with strong stability for mechanical configuration.
The invention is realized by the following technical scheme:
a high-stability special-shaped double-screw component for mechanical configuration comprises a polygonal barrel, wherein the cross section of the polygonal barrel is a regular polygon, the polygonal barrel is formed by fixing two barrel halves, a bearing is fixedly embedded in the inner top surface of the polygonal barrel, a first T-shaped rotating block is fixedly connected to the inner ring of the bearing, a disc is rotatably arranged in the polygonal barrel in a fitting manner, the bottom surface of the disc and the bottom surface of the polygonal barrel are positioned on the same plane, a first sealing ring is fixedly embedded in the outer wall of the disc through glue, the outer wall of the first sealing ring is attached to the inner wall of the polygonal barrel, the cross section of the first T-shaped rotating block is circular, the bottom surface of the first T-shaped rotating block is fixedly connected with the top surface of the disc, a dovetail groove is annularly formed in the inner top surface of the polygonal barrel, two dovetail blocks are symmetrically arranged in the dovetail groove in a fitting manner in a sliding manner, the bottom surfaces of the dovetail blocks are provided with the barrel bodies in a fitting manner, the outer cross section of the barrel body is a regular polygon, the inner cross section of the barrel body is circular, a circular ring is fixedly sleeved on the outer wall of the barrel body, the bottom surface of the circular ring is a frosted surface, the top surface of the circular ring is attached to the inner top surface of the polygonal barrel, a screw rod is fixedly connected to the bottom surface of the barrel body, the bottom end of the screw rod is conical, penetrates out of the polygonal barrel and penetrates through a disc, the screw rod is rotatably connected with the disc, a second T-shaped rotating block is rotatably attached to the barrel body, the cross section of the second T-shaped rotating block is circular, the top end of the second T-shaped rotating block penetrates out of the barrel body and is fixedly connected with the bottom surface of the dovetail block, the second T-shaped rotating block is rotatably connected with the barrel body, a spring is sleeved on the second T-shaped rotating block, the spring is arranged in the barrel body, the bottom surface of the second T-shaped rotating block is attached to the top surface of the screw rod, the spring is a compression spring, and a second sealing ring is sleeved on the screw rod in a fitting and rotating manner, the second sealing ring passes through the fixed embedding of glue at the disc top surface, the laminating of staving outer wall has the ring gear, the laminating of bottom surface in ring gear bottom surface and the polygon bucket, ring gear in polygon bucket inside wall fixedly connected with, interior ring gear meshes with two ring gears respectively, fixed the cover has the sleeve on the rotatory piece of first T shape, the sleeve cross-section is the I-shaped, ring gear one end is inserted in the sleeve, ring gear top surface and bottom surface all laminate with the sleeve surface.
Preferably, the barrel body is made of alloy steel materials.
Preferably, the wall thickness of the disc is 3mm to 5 mm.
Compared with the prior art, the invention has the beneficial effects that: this device simple structure, the function is various, therefore, the clothes hanger is strong in practicability, through setting up the bearing, the rotatory piece of first T shape, the disc, first sealing ring, the dovetail piece, the staving, the ring, the rotatory piece of second T shape, a spring, the second sealing ring, the ring gear, interior ring gear and sleeve can realize that two screws carry out brake operation to interior ring gear top surface when spacing restriction each other, effectually prevent that the rotatory emergence of polygon bucket is not hard up, and the setting of two screws plays the support balance effect when twisting, the askew phenomenon of effectual preventing screw rod emergence twisting, two screws are twisted simultaneously and are increased the screw surface area to equipment inside, be convenient for twist, twist process labour saving and time saving, improve equipment safety can, indirectly improve factor of safety, satisfy the user demand.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a front view of the structure of the present invention;
FIG. 3 is a top view of the structure of the present invention;
fig. 4 is a schematic diagram of the operation of the structure of the present invention.
In the figure: the device comprises a polygonal barrel 1, a bearing 2, a first T-shaped rotating block 3, a disc 4, a first sealing ring 5, a dovetail block 6, a barrel body 7, a circular ring 8, a screw rod 9, a second T-shaped rotating block 10, a spring 11, a second sealing ring 12, a toothed ring 13, an inner toothed ring 14, a sleeve 15 and a dovetail groove 1-1.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
as shown in fig. 1, 2, 3 and 4, a high stability special-shaped double screw assembly for mechanical configuration comprises a polygonal barrel 1, wherein the cross section of the polygonal barrel 1 is a regular polygon, the polygonal barrel 1 is formed by fixing two half barrels, a bearing 2 is fixedly embedded in the top surface of the polygonal barrel 1, a first T-shaped rotating block 3 is fixedly connected to the inner ring of the bearing 2, a disc 4 is rotatably attached to the inside of the polygonal barrel 1, the bottom surface of the disc 4 and the bottom surface of the polygonal barrel 1 are positioned on the same plane, a first sealing ring 5 is fixedly embedded in the outer wall of the disc 4 through glue, the outer wall of the first sealing ring 5 is attached to the inner wall of the polygonal barrel 1, the cross section of the first T-shaped rotating block 3 is circular, the bottom surface of the first T-shaped rotating block 3 is fixedly connected to the top surface of the disc 4, a dovetail groove 1-1 is annularly formed in the top surface of the polygonal barrel 1, two dovetail blocks 6 are symmetrically attached and slidably arranged in the dovetail groove 1-1, a barrel body 7 is attached to the bottom surface of each dovetail block 6, the outer cross section of each barrel body 7 is a regular polygon, the inner cross section of each barrel body 7 is a circle, a ring 8 is fixedly sleeved on the outer wall of each barrel body 7, the bottom surface of each ring 8 is a frosted surface, the top surface of each ring 8 is attached to the inner top surface of each polygon barrel 1, a screw rod 9 is fixedly connected to the bottom surface of each barrel body 7, the bottom end of each screw rod 9 is conical, the bottom end of each screw rod 9 penetrates through each polygon barrel 1 and penetrates through each disc 4, each screw rod 9 is rotatably connected with each disc 4, a second T-shaped rotating block 10 is rotatably attached to the inside of each barrel body 7, the cross section of each second T-shaped rotating block 10 is circular, the top end of each second T-shaped rotating block 10 penetrates through each barrel body 7 to be fixedly connected with the bottom surface of each dovetail block 6, and each second T-shaped rotating block 10 is rotatably connected with each barrel body 7, the cover has spring 11 on the rotatory piece 10 of second T shape, spring 11 sets up in staving 7, the rotatory piece 10 bottom surface of second T shape and the laminating of screw rod 9 top surface, spring 11 is compression spring, the rotatory cover of laminating has second sealing ring 12 on the screw rod 9, second sealing ring 12 passes through the fixed embedding of glue at disc 4 top surface, the laminating sliding sleeve of staving 7 outer wall has ring gear 13, the laminating of ring gear 13 bottom surface and 1 interior bottom surface of polygon bucket, ring gear 14 in the 1 inside wall fixedly connected with of polygon bucket, interior ring gear 14 meshes with two ring gears 13 respectively, fixed cover has sleeve 15 on the rotatory piece 3 of first T shape, sleeve 15 cross-section is the I-shaped, ring gear 13 one end is inserted in sleeve 15, ring gear 13 top surface and bottom surface all laminate with sleeve 15 surface.
The barrel body 7 is made of alloy steel materials.
The wall thickness of the disc 4 is 3mm-5 mm.
The working principle is as follows: when the equipment needs to be connected and fixed by screws, the device replaces the traditional screws for fixing, the bottom ends of two screw rods 9 of the device are attached to the surface of the equipment, then the polygonal barrel 1 is screwed by a screwdriver or a spanner, the polygonal barrel 1 drives the inner toothed ring 14 to rotate, the inner toothed ring 14 drives the toothed ring 13 to rotate, the toothed ring 13 drives the barrel body 7 to rotate, the two barrel bodies 7 respectively drive the two screw rods 9 to synchronously rotate, the screw rods 9 are gradually screwed into the equipment, the screw rods 9 drive the springs 11 to move, the springs 11 drive the second T-shaped rotating blocks 10 to move, the second T-shaped rotating blocks 10 drive the dovetail blocks 6 to move, the dovetail blocks 6 drive the polygonal barrel 1 to move, the polygonal barrel 1 can not move after being gradually moved and attached to the surface of the equipment, the polygonal barrel 1 is continuously screwed, the polygonal barrel 1 continuously indirectly drives the screw rods 9 to rotate and screw into the equipment, the screw 9 drives the barrel body 7 to move and extrude the spring 11, the barrel body 7 drives the circular ring 8 to move and gradually fit with the top surface of the inner toothed ring 14 and extrude the inner toothed ring 14, the brake operation on the inner toothed ring 14 is effectively carried out, as shown in figure 4, the inner toothed ring 14 is prevented from rotating, the inner toothed ring 14 is fixed with the polygonal barrel 1, so that the polygonal barrel 1 is indirectly prevented from rotating, the spring 11 which receives the extrusion has a thrust on the surface of the second T-shaped rotating block 10, the second T-shaped rotating block 10 is fixed with the dovetail block 6, the dovetail block 6 is arranged in the polygonal barrel 1, so that the surface of the polygonal barrel 1 is tightly attached to the surface of equipment, the polygonal barrel 1 is prevented from loosening, the inner toothed ring 14 is respectively meshed with the two toothed rings 13, so that the two screw rods 9 can synchronously rotate, the two screw rods 9 can only synchronously rotate, and the mutual limitation between the two screw rods 9 is effectively realized, effectual screw rod 9 that prevents takes place not hard up, and first sealing ring 5 and second sealing ring 12 set up the effectual sealed effect that plays, and the rotatory piece of first T shape 3 sets up with the cooperation of sleeve 15 and plays the spacing guide effect to ring gear 13, and the effectual slip that takes place that prevents ring gear 13, and the setting of spring 11 plays the reset action.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (3)

1. The utility model provides a strong special-shaped double screw subassembly of stability for mechanical configuration, includes polygon bucket (1), polygon bucket (1) cross-section is regular polygon, polygon bucket (1) comprises reciprocal anchorage between the two halves staving, its characterized in that: the inner top surface of the polygonal barrel (1) is fixedly embedded with a bearing (2), the inner ring of the bearing (2) is fixedly connected with a first T-shaped rotating block (3), the polygonal barrel (1) is internally and rotatably provided with a disc (4) in a fitting manner, the bottom surface of the disc (4) is positioned on the same plane as the bottom surface of the polygonal barrel (1), the outer wall of the disc (4) is fixedly embedded with a first sealing ring (5) through glue, the outer wall of the first sealing ring (5) is fitted with the inner wall of the polygonal barrel (1), the cross section of the first T-shaped rotating block (3) is circular, the bottom surface of the first T-shaped rotating block (3) is fixedly connected with the top surface of the disc (4), the inner top surface of the polygonal barrel (1) is annularly provided with dovetail grooves (1-1), the dovetail grooves (1-1) are symmetrically fitted with two dovetail blocks (6) in a sliding manner, the bottom surfaces of the dovetail blocks (6) are fitted with a barrel body (7), the outer cross section of the barrel body (7) is a regular polygon, the inner cross section of the barrel body (7) is circular, a ring (8) is fixedly sleeved on the outer wall of the barrel body (7), the bottom surface of the ring (8) is a frosted surface, the top surface of the ring (8) is attached to the inner top surface of the polygonal barrel (1), a screw (9) is fixedly connected to the bottom surface of the barrel body (7), the bottom end of the screw (9) is conical, the bottom end of the screw (9) penetrates out of the polygonal barrel (1) and penetrates through the disc (4), the screw (9) is rotatably connected with the disc (4), a second T-shaped rotating block (10) is rotatably arranged in the barrel body (7) in an attaching mode, the cross section of the second T-shaped rotating block (10) is circular, the top end of the second T-shaped rotating block (10) penetrates out of the barrel body (7) and is fixedly connected with the bottom surface of the disc (6), and the second T-shaped rotating block (10) is rotatably connected with the barrel body (7), the rotary block (10) in the second T shape is sleeved with a spring (11), the spring (11) is arranged in the barrel body (7), the bottom surface of the rotary block (10) in the second T shape is attached to the top surface of the screw rod (9), the spring (11) is a compression spring, the screw rod (9) is attached to a rotary sleeve to be sleeved with a second sealing ring (12), the second sealing ring (12) is fixedly embedded into the top surface of the disc (4) through glue, the outer wall of the barrel body (7) is attached to a sliding sleeve to be sleeved with a toothed ring (13), the bottom surface of the toothed ring (13) is attached to the inner bottom surface of the polygonal barrel (1), the inner side wall of the polygonal barrel (1) is fixedly connected with an inner toothed ring (14), the inner toothed ring (14) is respectively meshed with two toothed rings (13), the rotary block (3) in the first T shape is fixedly sleeved with a sleeve (15), the cross section of the sleeve (15) is in an I shape, one end of the toothed ring (13) is inserted into the sleeve (15), the top surface and the bottom surface of the gear ring (13) are attached to the surface of the sleeve (15).
2. A strong-stability special-shaped double-screw assembly for mechanical configuration according to claim 1, wherein: the barrel body (7) is made of alloy steel materials.
3. A strong-stability special-shaped double-screw assembly for mechanical configuration according to claim 1, wherein: the wall thickness of the disc (4) is 3mm-5 mm.
CN202110561161.8A 2021-05-21 2021-05-21 Strong-stability special-shaped double-screw assembly for mechanical configuration Active CN113280031B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110561161.8A CN113280031B (en) 2021-05-21 2021-05-21 Strong-stability special-shaped double-screw assembly for mechanical configuration

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110561161.8A CN113280031B (en) 2021-05-21 2021-05-21 Strong-stability special-shaped double-screw assembly for mechanical configuration

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CN113280031A CN113280031A (en) 2021-08-20
CN113280031B true CN113280031B (en) 2022-09-06

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CN101994747B (en) * 2009-08-14 2014-09-17 杨泰和 Sun gear coaxial drive screw nut structure and stud structure driven thereby
FR2964166B1 (en) * 2010-08-25 2012-08-10 Alcoa Fixations Simmonds Sas FIXING DEVICE
CN202811777U (en) * 2012-09-26 2013-03-20 瑞立集团瑞安汽车零部件有限公司 Novel double-nut locking mechanism
US20140348610A1 (en) * 2013-05-21 2014-11-27 John D. Davis Dual Actuated Jackscrew Nut And/Or Bolt Head
CN106523501B (en) * 2016-12-08 2018-05-01 河南大学 A kind of FRP components connect special double-rod plate bolt
CN108506321A (en) * 2017-02-26 2018-09-07 深圳带路科技有限公司 A kind of bolt ratchet locking device
CN207814163U (en) * 2017-12-29 2018-09-04 泉州市宏宇机械制造有限公司 A kind of rear wheel check bolt
CN108223547A (en) * 2018-03-06 2018-06-29 盐城市盐都区欧力达贸易有限公司 Elastic force locking member, stop nut and check bolt nut fastener
CN108644205A (en) * 2018-07-28 2018-10-12 福建金砖知识产权服务有限公司 One kind is for steady screw of two fixed and while fixing
CN209278301U (en) * 2018-12-04 2019-08-20 胡祥才 Threaded connection with interlock function improves structure
CN110219871A (en) * 2019-06-17 2019-09-10 湖北登峰高强螺栓有限公司 A kind of double rod bolt
CN110985509A (en) * 2019-12-31 2020-04-10 封国玉 Double-nut same-diameter positive and negative bidirectional composite thread anti-loose and anti-theft self-locking bolt

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Effective date of registration: 20220810

Address after: 250000 intersection of Shanshui road and Chang'an Road, East District, industrial park, Pingyin County, Jinan City, Shandong Province

Applicant after: JINAN STAR FASTENER Co.,Ltd.

Address before: 332000 Renmin Road, Xunyang District, Jiujiang City, Jiangxi Province

Applicant before: Tuliguri

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Address after: 250000 intersection of Shanshui road and Chang'an Road, East District, industrial park, Pingyin County, Jinan City, Shandong Province

Patentee after: Jinan Shida Fasteners Co.,Ltd.

Address before: 250000 intersection of Shanshui road and Chang'an Road, East District, industrial park, Pingyin County, Jinan City, Shandong Province

Patentee before: JINAN STAR FASTENER Co.,Ltd.